porcelain skin

bow down before the porcelain god

Synonym of worship the porcelain god (“to vomit into a toilet bowl”).

comfortable in one's own skin

Relaxed and confident in one's manner of presenting oneself and interacting with others; conveying the impression that one has a clear, satisfying understanding of one's own abilities and situation.

drive the porcelain bus

Synonym of worship the porcelain god (“to vomit into a toilet bowl, especially while drunk or hungover”).

get under someone's skin

To irritate someone.

get underneath someone's skin

Alternative form of get under someone's skin.

jump in one's skin

To start with fright.

make someone's skin crawl

To frighten or disgust.

no skin off one's back

No harm to one.